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When doing special relativity questions, do we consider both time dialation AND length contraction in calculations? For example a question asking how long it takes for a spaceship travels to a distant planet a given distance away.

7 should be B as lower unemployment indicates a higher demand for labour causing wages to increase. The rest don't make sense. D is wrong because wages are linked to productivity.

I got the same, but for 8 I got B, which I think is wrong and for 18 I got A which I think should be correct.

what did you guys get for 19 and 20

who else got OA equals 250.37 (approximation) for the projectile motion

I got 1

What, I got k=14. What was the answer to the distance of OA for the projectile one?

Why tf is this thread turning into a debate on human behaviours...

You don't need calculus to work that out. But I didn't notice that as well :(